Implement the BackgroundFetch{Fail,ed} Service Worker events

content/common/service_worker/service_worker_event_dispatcher.mojom

Index: content/common/service_worker/service_worker_event_dispatcher.mojom
diff --git a/content/common/service_worker/service_worker_event_dispatcher.mojom b/content/common/service_worker/service_worker_event_dispatcher.mojom
index 7172f0f77dc997ca31d6224f98ddfecb6e57794b..5aa62f8717af990ae2739ed397db40dc051f9149 100644
--- a/content/common/service_worker/service_worker_event_dispatcher.mojom
+++ b/content/common/service_worker/service_worker_event_dispatcher.mojom
@@ -22,8 +22,18 @@ struct PushEventPayload;
 struct ServiceWorkerFetchRequest;
 
 [Native]
+struct ServiceWorkerResponse;
+
+[Native]
 struct ExtendableMessageEventSource;
 
+// TODO(peter): Move this to Blink when both ServiceWorkerFetchRequest and
+// ServiceWorkerResponse have Mojo counterparts.
+struct BackgroundFetchSettledFetch {
+  ServiceWorkerFetchRequest request;
+  ServiceWorkerResponse response;
+};
+
 enum BackgroundFetchState {
   PENDING,
   SUCCEEDED,
@@ -54,6 +64,14 @@ interface ServiceWorkerEventDispatcher {
   DispatchBackgroundFetchClickEvent(string tag, BackgroundFetchState state)
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
+  DispatchBackgroundFetchFailEvent(string tag,
+                                   array<BackgroundFetchSettledFetch> fetches)
+      => (blink.mojom.ServiceWorkerEventStatus status,
+          mojo.common.mojom.Time dispatch_event_time);
+  DispatchBackgroundFetchedEvent(string tag,
+                                 array<BackgroundFetchSettledFetch> fetches)
+      => (blink.mojom.ServiceWorkerEventStatus status,
+          mojo.common.mojom.Time dispatch_event_time);
   // |fetch_event_id| is used internally when sending the response back to the
   // browser process.
   DispatchFetchEvent(int32 fetch_event_id, ServiceWorkerFetchRequest request,